Clemens Lombriser Andreas Bulling Andreas Breitenmoser Gerhard Tröster Speech as a Feedback Modality for Smart Objects. 1-5 2009 PerCom Workshops http://dx.doi.org/10.1109/PERCOM.2009.4912831 conf/percom/2009w db/conf/percom/percomw2009.html#LombriserBBT09